What is the value of x that satisfies 4 cos 2 30° + 2x sin 30° - cot 2 30° - 6 tan 15° tan 75° = 0 ?

UPSC CDS 1 2023 Math Paper

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What is the value of x that satisfies 4 cos² 30° + 2x sin 30° - cot² 30° - 6 tan 15° tan 75° = 0 ?

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